ltj[s]classes: \stockwidth, \stockheight

[luatex-ja/luatexja.git] / src / ltjbook.cls

diff --git a/src/ltjbook.cls b/src/ltjbook.cls
index 57a12a9..492f002 100644 (file)
--- a/src/ltjbook.cls
+++ b/src/ltjbook.cls
@@ -23,7 +23,7 @@
 %% File: ltjclasses.dtx
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesClass{ltjbook}
-  [2022-04-11 v1.8f-ltj-22
+  [2022-09-12 v1.8f-ltj-23
  Standard LuaLaTeX-ja class]
 \RequirePackage{luatexja}
 \newcounter{@paper}
@@ -162,8 +162,8 @@
 \fi
 \setlength\columnseprule{0\p@}
 \iftombow
-  \newlength{\stockwidth}
-  \newlength{\stockheight}
+  \ifdefined\stockwidth\else\newlength{\stockwidth}\fi
+  \ifdefined\stockheight\else\newlength{\stockheight}\fi
   \setlength{\stockwidth}{\paperwidth}
   \setlength{\stockheight}{\paperheight}
   \advance \stockwidth 2in